CN103228579A - Apparatus and method for anaerobic treatment of wastewater - Google Patents
Apparatus and method for anaerobic treatment of wastewater Download PDFInfo
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- CN103228579A CN103228579A CN2011800388810A CN201180038881A CN103228579A CN 103228579 A CN103228579 A CN 103228579A CN 2011800388810 A CN2011800388810 A CN 2011800388810A CN 201180038881 A CN201180038881 A CN 201180038881A CN 103228579 A CN103228579 A CN 103228579A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/101—Arranged-type packing, e.g. stacks, arrays
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2826—Anaerobic digestion processes using anaerobic filters
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The present invention relates to an apparatus and method for anaerobic treatment of wastewater. The apparatus comprises an upflow anaerobic reactor having an enclosed vessel with a top and a bottom, an influent liquid conduit located near the bottom of the vessel and an effluent liquid conduit located near the top of the vessel thereby establishing a flow direction through the vessel from the influent conduit to the effluent conduit. The vessel comprises a plurality of compartments, each of the plurality of compartments includes a plurality of carriers to which microorganisms are attached to each of the plurality of carriers, and wherein the plurality of carriers in an uppermost compartment having a diameter smaller than the diameter of the plurality of carriers in a lowermost compartment. The apparatus also comprises a recirculation line for re-circulating at least a portion of the wastewater back into the apparatus.
Description
Technical field
The present invention relates to be used for the apparatus and method of wastewater treatment.More specifically, the present invention relates to be used for the apparatus and method of the anaerobic treatment of waste water.Also more specifically, the present invention relates to be used for the sectional type up-flow reactor that anaerobic waste water is handled.
Background technology
Be known that biological wastewater treatment comprise by the accompanying suspension of microorganisms cultures or the fixed solid support material be used for decomposing organic impurity in the waste water, to reduce the biochemical oxygen demand (BOD) (BOD) in the waste water.
Can utilize various microorganisms and envrionment conditions to handle dissimilar waste water.In order to make the maximizing efficiency of biological wastewater treatment, must select suitable microorganism to interact with pending pollutent and must provide suitable envrionment conditions to increase the microbial population of inside reactor simultaneously to strengthen microbic activity.
Can in aerobic, anoxic or anaerobic environment, carry out biological wastewater treatment.The two has far-reaching influence to the processing of the ecology of microflora and pollutent in the selection of environment.
Recent decades, used anaerobic technique to handle waste water.For anaerobic treatment of waste water, waste water must at first be exposed to microorganism.Microorganism changes into biogas such as methane and carbonic acid gas with the organic substance in the waste water.This conversion is carried out under oxygen free condition.
Developed a large amount of systems and be used for the anaerobic treatment of waste water to remove the organic substance of waste water.This system comprises upflowing batch reactor system, upflowing continuous flow reactor, upflow anaerobic sludge blanket reactor (UASB) etc.The advantage of upflowing operation is well-known.Yet, be known that simultaneously when attempting to optimize the technology of upflowing operation and installing to relate to some shortcoming.But a shortcoming in these shortcomings is at upflowing operating period bed energy fluidizing.Several technology have been proposed on the upflowing bottom of operating period, to guarantee closely knit bed at container.Yet known technology and device are kept relatively costly.
Summary of the invention
By the apparatus and method that are used for the anaerobic waste water processing according to of the present invention are provided, solved the problems referred to above and other problem and made prior art improve.First advantage according to apparatus and method of the present invention provides the sectional type up-flow reactor.Second advantage according to apparatus and method of the present invention is that the sectional type up-flow reactor comprises a plurality of carrier slide blocks.Provide the method for the anaerobic treatment that is used for waste water of utilizing the sectional type up-flow reactor according to the 3rd advantage of apparatus and method of the present invention.
According to embodiments more of the present invention, upflow type anaerobic reactor comprises the closed container with top and bottom, be arranged near the influent pipeline that is used to feed wastewater onto this container in bottom of container, be positioned near the flowing liquid pipeline in top of container, thereby set up from flow ipe and pass container to be used to discharge the flow direction of treated water to flowing out pipeline, wherein, described container comprises a plurality of chambers that are arranged in another top, in a plurality of chambers each includes a plurality of carriers, on microorganic adhesion each in a plurality of carriers, and wherein, the diameter of a plurality of carriers in the highest chamber is less than the diameter of a plurality of carriers in the minimum chamber.According to some embodiments in these embodiments, a plurality of chambers are arranged in internal tank in a mode at another top.
According to embodiments more of the present invention, the diameter dimension of a plurality of carriers in a plurality of chambers reduces along the direction identical with the flow direction of the waste water that passes container, and a plurality of carriers that a plurality of carriers in the highest feasible chamber have in minimum diameter and the minimum chamber have maximum diameter.According to some embodiments in these embodiments, a plurality of carriers in a plurality of chambers are arranged with stationary state.According to other embodiment in these embodiments, a plurality of carriers in minimum chamber are arranged with stationary state, and a plurality of carriers in the highest chamber are with a kind of state arrangement in the combination of stationary state, suspended state and stationary state and suspended state.Other embodiment according to these embodiments provides at least one intermediate chamber, and described at least one intermediate chamber comprises a plurality of carriers of arranging with stationary state.
According to embodiments more of the present invention, upflow type anaerobic reactor also comprises disrupter, and this disrupter separates a chamber in a plurality of chambers and another the adjacent chamber in a plurality of chamber.
According to embodiments more of the present invention, in a plurality of chambers each includes the carrier slide block, this carrier slide block has the shell of being made by Web materials, and described shell has bottom, dismountable attached top of sidewall, sealing and is limited to the interior carrier district that is used to hold a plurality of carriers of described shell.
According to embodiments more of the present invention, upflow type anaerobic reactor also comprises the mixing zone that is limited to the close container bottom in the container; And be limited to being used in the container and be collected in the plenum zone of the biogas that container produces.According to some embodiments in these embodiments, upflow type anaerobic reactor also comprises and is used for making that at least a portion of waste water is recycled to the recirculation line of container.According to these embodiments in other embodiment, reactor comprises that also at least a portion that is used for controlling waste water is recycled to the programmable logic controller of container.
According to another embodiment of the present invention, being used for method that anaerobic waste water handles comprises by near the influent pipeline the bottom that is positioned at reactor wastewater feed to enclosed reaction vessel, make waste water to flow through a plurality of chambers that comprise a plurality of carriers along the direction that makes progress, microorganic adhesion each in a plurality of carriers, thus mixing liquid and biogas produced; At least a portion of waste water is recycled in the reactor, is collected in the biogas that inside reactor produces in the plenum zone in being provided at reactor; And collect from the treated water of reactor discharge.
According to embodiments more of the present invention, this method comprises that also at least a portion of the mixing liquid that will discharge from the flowing liquid pipeline carries out recirculation off and on or continuously by programmable logic controller.
Description of drawings
Describe in above-mentioned advantage of the present invention and other advantage and the feature detailed description below and shown in the following drawings:
Fig. 1 is the sectional view that an embodiment of upflowing waste water treatment reactor of the present invention is shown;
Fig. 2 (a) is a skeleton view for the treatment of an embodiment of the carrier slide block that is used in combination with reactor of the present invention;
Fig. 2 (b) is a skeleton view for the treatment of another embodiment of the carrier slide block that is used in combination with reactor of the present invention;
Fig. 3 is the sectional view according to the chamber of the reactor of an embodiment that comprises a plurality of relative small size carrier of arranging with stationary state of the present invention;
Fig. 4 is the sectional view according to another chamber of the reactor of an embodiment that comprises a plurality of middle-sized carriers of arranging with stationary state of the present invention;
Fig. 5 is the sectional view according to the another chamber of the reactor of an embodiment that comprises a plurality of large-sized carriers of arranging with stationary state of the present invention.
Embodiment
The present invention relates to a kind of apparatus and method that are used for the anaerobic treatment of waste water, wherein being included in pollutants in waste water (as organism) can be removed in system effectively.In order to demonstrate the invention, at present preferred form shown in the accompanying drawing.Yet, should be appreciated that the concrete layout that the present invention is not limited to illustrate.
This paper employed " waste water " is defined as the stream from the waste of the dwelling house with pollutent, commerce or industrial source.Pollutent can be but be not limited to can be by the Biodegradable material of bacterium or other microbiological degradation, mineral compound and/or organic compound.This paper employed " Waste Water Treatment " is the system of biomass colony with microorganism of one or more types that are used for digestion (digest) Biodegradable material or other material, normally biological treatment system.It should be noted that the environment of the felicity condition that biomass need be able to be provided for growing.Wastewater treatment equipment as herein described and method can be used for processing and be low to moderate high-intensity waste water.
With reference now to accompanying drawing,, embodiment of the present invention is described more specifically.
Fig. 1 illustrates an embodiment that is used for the upflow type anaerobic reactor of wastewater treatment according to of the present invention.Upflow type anaerobic reactor comprises the container 10 of sealing.The container 10 of sealing has top 12, bottom 14, be arranged near being used for wastewater feed to the influent pipeline 16 of container 10 and be positioned near the top of container the flowing liquid pipeline 18 that is used for water discharge that will the be treated bottom of container.Flow into and the structure of flowing liquid pipeline set up pass container 10 move direction to upflowing.
Also comprise the recirculation line 20 that is used at least a portion recirculation of waste water is got back to container 10 according to reactor of the present invention.The upflowing speed that is used to keep the waste water that passes reactor that this reactor also comprises 14 places, bottom that are positioned at container was greater than 0.2m/ hour recycle pump 22.In a preferred embodiment of the invention, this reactor is to be made by non-corrosiveness material (as, stainless steel).Yet, person of skill in the art will appreciate that at this container without departing from the invention and also can make by other suitable material.
The container 10 of reactor is divided into a plurality of chambers that are used to hold waste water.In a plurality of chambers each includes a plurality of carriers 32, microorganic adhesion each in a plurality of carriers 32.In one embodiment of the invention, container 10 is divided at least two chambers.Preferably, this container is divided at least four chambers (being appointed as first Room 24, second Room 26, the 3rd Room 28 and fourth ventricle 30 in this article), as shown in Figure 1.More preferably, container 10 is divided at least three chambers.Yet, person of skill in the art will appreciate that at this container without departing from the invention to be divided into more a plurality of chambers.
In an exemplary of the present invention, first Room 24 is positioned near the bottom 14 of container, fourth ventricle 30 is positioned near the top 12 of container, and second Room 26 and the 3rd Room 28 (also referring to be " intermediate chamber " hereinafter) are between first Room 24 and fourth ventricle 30. Chamber 24,26,28 and 30 is constructed such that each chamber comprises the carrier 32 of different size.In one embodiment of the invention, first Room 24 is filled with the carrier (as shown in Figure 5) with maximum diameter.Second Room 26 is filled with the little carrier (as shown in Figure 4) that has diameter than being included in the carrier in first Room 24.The 3rd Room 28 is filled with has the diameter carrier (not shown) littler than the carrier in second Room.Fourth ventricle 30 is filled with has the diameter carrier (as shown in Figure 3) littler than the carrier in the 3rd Room 28.The size that carrier 32 in a plurality of chambers 24,26,28,30 is arranged such that carrier 32 is along reducing to the identical direction of the moving direction of upflowing with the waste water that passes container 10, and makes the carrier 32 in the highest chamber 30 (orientate as near reactor head) have minimum diameter and make the carrier 32 in the minimum chamber 24 (orientating the bottom of approaching reactor most as) have maximum diameter.
In one embodiment of the invention, the carrier 32 in minimum chamber 24 and intermediate chamber 26 or intermediate chamber 28 is preferably arranged with stationary state.Carrier 32 in the highest chamber 30 is preferably arranged with the combination of stationary state, suspended state or stationary state and suspended state.In an exemplary of the present invention as shown in Figure 1, the carrier 32 in first Room 24, second Room 26 and the 3rd Room 28 is arranged with the combination of stationary state, suspended state or stationary state and suspended state with the carrier in stationary state layout and the fourth ventricle 30.Yet, also should be appreciated that, without departing from the invention, can adopt other carrier in each chamber in a plurality of chambers to arrange.
Preferably, the diameter dimension of the carrier 32 that is used in combination with reactor of the present invention is in the scope of 5mm to 200mm.In one embodiment of the invention, first Room 24 of reactor is filled with the carrier of diameter dimension in the scope of 100mm to 200mm.Second Room 26 and the 3rd Room 28 are filled with the carrier of diameter dimension in the scope of 25mm to 100mm.Fourth ventricle 30 is filled with the carrier of diameter dimension in the scope of 5mm to 25mm.
Note, for the sake of clarity, only provide the said structure and the relative dimension of carrier by example.Unless otherwise noted, generally should to be considered to only be exemplary for structure that is provided and relative dimension herein, should not be regarded as restriction the present invention in any form, and it is applicable to whole specification sheets.
Employed in the present invention carrier 32 is preferably the porous granule of organic polymer compounds.Also other suitable carriers be can use, woven, ball type carrier, cube carrier, cylindrical vector and rectangle carrier included but not limited to.Preferably, use the carrier of the big surf zone that can be provided for adhering to as microorganism.Carrier 32 is preferably made by polypropylene, urethane, high density polyethylene(HDPE), polyethylene, polymeric amide, pottery.Yet, person of skill in the art will appreciate that carrier also can be made by other material, as long as carrier satisfies pointed condition.
In one embodiment of the invention, container 10 comprises disrupter 34.This disrupter 34 is divided into corresponding chamber with container 10.The number that is arranged on the disrupter in the container 10 changes according to the number in container inner divided chambers 10.Preferably, disrupter 34 is size of mesh opening Web materials in the scope of 1mm to 50mm.The size of mesh opening that is arranged on each disrupter in the container changes according to the size and the type that are arranged on the carrier in each chamber.In all cases, the size of mesh opening of disrupter 34 should be little to being enough to that carrier is remained on each chamber interior and should be greatly to being enough to make the biomass that come off to pass.Preferably, the Web materials of disrupter 34 is made by metal, glass fibre or plastics (as polypropylene, urethane, high density polyethylene(HDPE), polyethylene and polymeric amide).Yet, person of skill in the art will appreciate that without departing from the invention, also can adopt other suitable material.
In another embodiment of the present invention, container 10 is divided into a plurality of chambers 24,26,28,30 by a plurality of carrier slide blocks 36 that are installed in the container 10.Basically longitudinally or laterally parallel alignment or they become one on another top in container 10 internal layout to a plurality of carrier slide blocks 36 in container 10 inside.Shown in Fig. 2 (a) and Fig. 2 (b), each carrier slide block 36 preferably include have sidewall, the shell 38 at the bottom of sealing 40 and dismountable attached top 42.When in the carrier slide block 36 each was installed in the container 10, the shell 38 of each carrier slide block 36 limited a chamber.The shell 38 of carrier slide block 36 is suitable for holding a plurality of carriers 32 that are attached with microorganisms cultures.Shell 38 can be rectangle, square or cylindrical structure.Perhaps, shell 38 structure that can take to mate reactor makes the structure that carrier slide block 36 can easily be installed at inside reactor.Yet, person of skill in the art will appreciate that without departing from the invention, this shell can be taked other shape.
The shell 38 of carrier slide block 36 is made by Web materials.Preferably, the size of mesh opening of Web materials is in the scope of 1mm to 50mm.Size of mesh opening changes according to the size and the type of the carrier that enclosure provides.The sidewall of the shell of carrier slide block 36, the bottom of sealing 40 and top 42 can have identical size of mesh opening or different size of mesh opening.In all cases, the size of mesh opening at the bottom 40 of the sidewall of the shell of carrier slide block 36, sealing and top 42 should be little of being enough to that carrier is remained on carrier slide block inside and big to being enough to make the biomass that come off to pass.Preferably, the shell 38 of carrier slide block 36 is made by metal, glass fibre or plastics (for example, polypropylene, urethane, high density polyethylene(HDPE), polyethylene and polymeric amide).Yet, those skilled in the art will recognize that without departing from the invention, also can adopt other suitable material.
In one embodiment of the invention, this mixing device is the pipe 52 shown in Fig. 2 (a).Pipe 52 removably is attached to shell 38, and an end of pipe is perforation and inside that be positioned at mixing zone 48.Preferably, an end of perforated pipe is an annular, makes that there is more perforated surface 48 inside in the mixing zone, and waste water mixes to provide more uniformly in shell 38 when the other end air supply by pipe.Person of skill in the art will appreciate that, also can adopt other shape or form, as long as can provide competent perforated surface in 48 inside in the mixing zone.The amount that is supplied to the air of perforated pipe changes according to the type of pending waste water.
In another embodiment of the present invention, this mixing device is stirrer or the propeller type stirrer 50 shown in Fig. 2 (b).Stirrer or agitator 50 removably are attached to shell 38, and an end of stirrer or agitator is positioned in the mixing zone 48.Stirrer or agitator 50 for example can be designed to the simple bar or the cable that extend to mixing zone 48 from the top of shell.The tip speed of stirrer or agitator changes according to the type of pending waste water.In addition, the layout of the agitator in the system 26 is to leave the maximized design alternative of the desired wastewater flow of making of those skilled in the art for.
Between carrier district 21 and mixing zone 48, be provided with another Web materials 51 that is used to isolate these two districts.Web materials 51 is preferably by making with shell 38 identical materials.Yet,, can use other suitable material without departing from the invention.The size of mesh opening of Web materials 51 changes according to the type of the carrier that carrier district 21 is provided.In all cases, the size of grid should be little remains on carrier in the carrier district 21 to being enough to, and should be greatly to being enough to make the turbulent flow that is produced by mixing device flow through carrier district 21.Web materials 51 can be arranged on integral type part or dismountable separate section of two shells between the zone.
In one embodiment of the invention, carrier slide block 36 can be provided with the pillar (leg) 46 of the carrier slide block 36 that is used to be bearing in container 10 inside.In the time of in the carrier slide block 36 with pillar is installed in as the reactor of minimum chamber 24, between the bottom of the bottom 40 of carrier slide block and container 10, form the space.In one embodiment of the invention, this space can be as the mixing zone 53 of reactor.
In another embodiment of the present invention, under the situation that does not have pillar 46, a plurality of carrier slide blocks can be installed in the reactor.In this structure, the mixing zone 53 of reactor will form by the Web materials 55 with the top, bottom that is arranged on container 10, makes to produce the space that limits mixing zone 53 between the bottom of Web materials 55 and container 10.
In reactor, be provided with mixing zone 48,53,, the mixing liquid of influent and recirculation mixed equably with before influent and mixing liquid are incorporated into the reactor that is used for handling.Can use the mechanically mixing device (as, stirrer or agitator or pass through air mixed) carry out the mixing of liquid.Those skilled in the art will recognize that,, the mixing zone more than can be set in container 10 also without departing from the invention.
In some embodiments of the present invention, the pillar 46 of carrier slide block 36 can removably be attached to the bottom 40 of the shell 38 of carrier slide block, and perhaps they can form the integral type part of the shell 38 of carrier slide block 36.
In other embodiments of the present invention, can be by using a plurality of disrupters 34 or by using a plurality of carrier slide blocks 36 that container 10 is divided into a plurality of chambers.Perhaps, can container 10 be divided into a plurality of chambers by the combination of using disrupter 34 and carrier slide block 36.
A plurality of carriers in being arranged on carrier district 21 are when arranging with as shown in Figure 3 stationary state, waste water are carried out under the blended situation not needing, and randomly, Web materials 28 can be removed, and make that more carrier can be filled by portion in the enclosure.
Reactor of the present invention also comprises the plenum zone 54 at 12 places, top that are positioned at reactor.Plenum zone 54 is used for collection of biological gas, for example, and the methane that during treatment process, produces.
When operation, waste water is fed to reactor via the influent pipeline 16 that fresh feed pump 56 passes 14 places, bottom that are arranged in container 10.Before waste water rose and fills up first Room 24, the organism that waste water at first stands to mix in mixing zone 48 to exist in waste water mixed equably.Before waste water rose and fills up second Room 26, waste water was maintained in first Room 24 up to reaching the scheduled time.Pass a plurality of chambers in the container 10 along with waste water rises, in each chamber, to repeat this step, to arrive flowing liquid pipeline 18 up to waste water.Pass a plurality of chambers along with waste water rises, nitrogen and organic degraded take place.During degradation treatment, produce biogas and biogas along with the rising up to arriving plenum zone 54 of waste water to the identical direction of the moving direction of upflowing.Biogas is collected at plenum zone 54, and discharges to be used as the energy by outlet.Water after the processing overflows from the highest chamber 30 of container 10 and discharges from container 10 by flowing liquid pipeline 18.At least a portion of waste water in the container 10 is recycled go back to the bottom 14 of reactor by recirculation line 20.Then, stand and the mixing of new inflow material by influent pipeline 16 in mixing zone 48 at least a portion of the waste water at 14 places, bottom of reactor.Then, well-mixed waste water rises and fills up first Room 24 once more.Repeat above-mentioned steps to proceed wastewater treatment.
In one embodiment of the invention, waste water is discharged and the recirculation that enters the reactor is automatization from the flowing liquid pipeline.This controls by programmable logic controller (or PLC).PLC makes that waste water can be by intermittence or recirculation continuously.PLC can be optionally to the new again circulation pattern pre-programmed of suitable intermittent type so that waste water be recycled in the reactor off and on.According to the type of pending waste water, reactor can pre-programmed for make waste water every 5 minutes or longer time carry out recirculation or reactor can pre-programmed for less than or stopped recirculation in about 2 hours.In some embodiments, reactor can be set to continuously waste water be carried out recirculation.Having PLC, to merge to one of advantage in the reactor be that it makes it possible to treated journey is controlled better.Do not meet the requirement of the treating water of predesignating if find the waste water of from the flowing liquid pipeline, discharging, then can satisfy the requirement of predesignating up to treated water by preestablishing the suitable recirculation time length so that waste water recirculation is got back in the reactor.This makes the people better process recycling and the overall performance of controlling reactor.PLC makes people can also remotely control process recycling.
Reactor according to the present invention has some advantages.One of them is that reactor makes microorganism to grow in the different biofilm structures at the different piece place of reactor.This has optimized the microbic activity in the reactor.Thereby improved the processing efficiency of reactor.In addition, when the carrier in the reactor was arranged with stationary state, reactor of the present invention also can be used as filtration medium, and the carrier of different size is provided.The structure of described carrier makes organic pollutant and suspension growth microorganism to be hunted down in carrier inside.This helps to make that the microorganism active of inside reactor is best and improves organic degradation efficiency in the waste water.In addition, also can operate having a liking under temperature or the thermophilic condition in the reactor of the present invention.
Using the advantage of carrier slide block and disrupter according to the present invention in reactor is the specified location that carrier slide block and disrupter can remain on carrier inside reactor.If be not provided for isolating the device of the carrier of the different layers in the reactor, then when flowing through reactor, the direction that makes progress to move to another layer when waste water from the carrier of certain one deck.This will cause the uneven distribution of the carrier in each layer, and and then cause the uneven distribution of the microorganism in the reactor.This may produce influence unfriendly to the microbic activity of inside reactor and the efficient of reactor.
The alternate embodiment of reactor of the present invention provides handiness aspect design alternative, reason is that the use of the carrier slide block in the reactor makes the people customize reactor according to the type of pending waste water.The carrier slide block moves easily, so this makes that the installation and removal of carrier slide block are easier.The handle that is attached to the shell of carrier slide block makes the carrier slide block easily to be raised from reactor.If a carrier slide block can not be operated effectively, then can promote and dismantle whole carrier slide block at an easy rate for the purpose of keeping in repair in reactor.Then, move once more, new carrier slide block can be installed and not need to wait until that old carrier slide block is repaired in order to make reactor.Therefore, in reactor of the present invention, use a plurality of carrier slide blocks that the mode of more effective and cost-effective processing waste water is provided.
More than be the description of the theme of the present invention that the contriver thought, and think that other people can and comprise alternative techniques of the present invention with design based on above-mentioned disclosure.
Claims (14)
1. upflow type anaerobic reactor that is used for wastewater treatment comprises:
Closed container with top and bottom;
Be arranged near the bottom of described container, be used for the influent pipeline of wastewater feed to described container;
Be positioned near the flowing liquid pipeline the top of described container, thereby set up the flow direction that passes described container from described flow ipe to the outflow pipeline that is used to discharge treated water;
Wherein said container comprises and is arranged to a plurality of chambers on another top, in described a plurality of chamber each comprises a plurality of carriers, microorganic adhesion each in described a plurality of carriers, and wherein the diameter of the described a plurality of carriers in the highest chamber less than the diameter of the described a plurality of carriers in minimum chamber.
2. upflow type anaerobic reactor according to claim 2, wherein the size of the diameter of the described a plurality of carriers in described a plurality of chambers reduces along the direction identical with the flow direction of the described waste water that passes described container, makes that the described a plurality of carriers in the highest described chamber have the diameter of minimum and the diameter that the described a plurality of carriers in described minimum chamber have maximum.
3. upflow type anaerobic reactor according to claim 1, wherein the described a plurality of carriers in described a plurality of chambers are arranged with stationary state.
4. upflow type anaerobic reactor according to claim 1, wherein the described a plurality of carriers in described minimum chamber are arranged with stationary state, and the described a plurality of carriers in the highest described chamber are with a kind of state arrangement in the combination of stationary state, suspended state and stationary state and suspended state.
5. upflow type anaerobic reactor according to claim 4, wherein said a plurality of chambers are included at least one intermediate chamber between described minimum chamber and the highest described chamber, and described at least one intermediate chamber comprises a plurality of carriers of arranging with stationary state.
6. upflow type anaerobic reactor according to claim 1 also comprises:
The disrupter that the second adjacent Room in first Room in described a plurality of chambers and the described a plurality of chamber is separated.
7. upflow type anaerobic reactor according to claim 1, each in wherein said a plurality of chambers comprises:
Carrier slide block with shell of being made by Web materials, described shell have the top of sidewall, substrate, removable attachment and are limited to the interior carrier district that is used to hold described a plurality of carriers of described shell.
8. upflow type anaerobic reactor according to claim 1 also comprises:
Be limited near the mixing zone of described container bottom in the described container; And
Being limited to being used in the described container is collected in the plenum zone of the biogas that described container produces.
9. upflow type anaerobic reactor according to claim 1 also comprises:
At least a portion that is used for the described waste water that will discharge from described flowing liquid pipeline is recycled to the recirculation line of described container.
10. upflow type anaerobic reactor according to claim 9 also comprises:
At least a portion that is used for controlling described waste water is recycled to the programmable logic controller of described reactor.
11. a method that is used for the anaerobic treatment of waste water, described method comprises:
By near the influent pipeline the bottom that is positioned at reactor with wastewater feed to closed reactor;
Make described waste water flow through a plurality of chambers along the direction that makes progress, each chamber holds a plurality of carriers, microorganic adhesion each in described a plurality of carriers, thus produce mixing liquid and biogas;
At least a portion of the mixing liquid of discharging from the flowing liquid pipeline is recycled to the described reactor by recirculation line;
In being arranged on the plenum zone of described inside reactor, be collected in the described biogas that described inside reactor produces; And
The treated water that collection is discharged from described reactor.
12. method according to claim 11 also comprises:
In being arranged on the mixing zone of described inside reactor, the mixing liquid of described recirculation is mixed with new waste water.
13. method according to claim 11 also comprises:
Make from least a portion recirculation off and on of the described mixing liquid of described flowing liquid pipeline discharge by programmable logic controller.
14. method according to claim 11 also comprises:
Make at least a portion recirculation continuously of described mixing liquid.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37122510P | 2010-08-06 | 2010-08-06 | |
| US61/371,225 | 2010-08-06 | ||
| PCT/SG2011/000277 WO2012018309A1 (en) | 2010-08-06 | 2011-08-05 | Apparatus and method for anaerobic treatment of wastewater |
| SG2011056900A SG178673A1 (en) | 2010-08-06 | 2011-08-05 | Apparatus and method for anaerobic treatment of wastewater |
| SG201105690-0 | 2011-08-05 |
Publications (1)
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| CN103228579A true CN103228579A (en) | 2013-07-31 |
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| CN2011800388810A Pending CN103228579A (en) | 2010-08-06 | 2011-08-05 | Apparatus and method for anaerobic treatment of wastewater |
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| Country | Link |
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| EP (1) | EP2601146A4 (en) |
| CN (1) | CN103228579A (en) |
| WO (1) | WO2012018309A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449605A (en) * | 2013-09-30 | 2013-12-18 | 江苏裕隆环保有限公司 | Combined type anaerobic particle bed reactor |
| CN104649411A (en) * | 2015-01-13 | 2015-05-27 | 上海金布梯环保科技发展有限公司 | Up-flow anaerobic biological filter bed reactor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910780B (en) * | 2012-07-06 | 2013-10-16 | 广州市环境保护工程设计院有限公司 | Device and method for processing high-salinity degradation-resistant waste water |
| CN114455701B (en) * | 2022-01-21 | 2023-09-22 | 扬州大学 | Self-circulation device of anaerobic reactor |
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- 2011-08-05 EP EP11814880.8A patent/EP2601146A4/en not_active Withdrawn
- 2011-08-05 CN CN2011800388810A patent/CN103228579A/en active Pending
- 2011-08-05 WO PCT/SG2011/000277 patent/WO2012018309A1/en active Application Filing
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| US4253947A (en) * | 1979-02-12 | 1981-03-03 | Kansas State University Research Foundation | Method for wastewater treatment in fluidized bed biological reactors |
| JPH0970598A (en) * | 1995-09-06 | 1997-03-18 | Sharp Corp | Ultrapure water producing device |
| US5776344A (en) * | 1995-10-26 | 1998-07-07 | Tetra Technologies Inc. | Method for removing nitrogen from wastewater |
| CN2626986Y (en) * | 2003-07-18 | 2004-07-21 | 浙江大学 | Up flow type anaerobic ammoxidation biomembrane reactor |
| US20050109695A1 (en) * | 2003-09-30 | 2005-05-26 | Laurent Olivier | Autotrofic sulfur denitration chamber and calcium reactor |
| CN101337739A (en) * | 2007-07-04 | 2009-01-07 | 株式会社东芝 | Non-aeration water treating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103449605A (en) * | 2013-09-30 | 2013-12-18 | 江苏裕隆环保有限公司 | Combined type anaerobic particle bed reactor |
| CN104649411A (en) * | 2015-01-13 | 2015-05-27 | 上海金布梯环保科技发展有限公司 | Up-flow anaerobic biological filter bed reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2601146A4 (en) | 2014-09-03 |
| WO2012018309A1 (en) | 2012-02-09 |
| EP2601146A1 (en) | 2013-06-12 |
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